Finding the Fourth Proportional to 2,184,538.20, 3,283,805.70 and 1,557,792.60
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Solution
The fourth proportional to 2,184,538.20, 3,283,805.70 and 1,557,792.60 is: 2,341,679.45
Step by Step Solution
- Step 1: Write the proportion equation
2,184,538.20 : 3,283,805.70 = 1,557,792.60 : x - Step 2: Convert to fraction form
2,184,538.20/3,283,805.70 = 1,557,792.60/x - Step 3: Cross multiply
2,184,538.20x = 3,283,805.70 × 1,557,792.60 - Step 4: Simplify right side
2,184,538.20x = 5,115,488,219,297.82 - Step 5: Solve for x
x = 5,115,488,219,297.82/2,184,538.20 - Step 6: Final answer
x = 2,341,679.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.